The present work
deals with the theoretical investigation of the effect of Magnetic Field-Dependent
(MFD) viscosity on the revolving axi-symmetric steady laminar flow of viscous
incompressible electrically non-conducting ferrofluid with rotating disk by
solving the boundary layer equations. The non-linear coupled partial
differential equations involved in the problem are solved by asymptotic
approximations. The velocity components and pressure profiles are computed
numerically and discussed graphically for various values of MFD viscosity
parameter (i style="mso-bidi-font-style:normal"k/i) along with the
variation of Karmana€?s dimensionless parameter (i style="mso-bidi-font-style:
normal"a/i). Also, we have calculated the displacement thickness of the
boundary layer, angle of rotation and an expression for total volume flowing
outward the z-axis is given.
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机译：目前的工作处理磁场相关效应的理论研究（MFD）粘度对粘性粘性旋转轴对称稳定层流的影响带旋转盘的不可压缩非导电铁磁流体求解边界层方程。非线性耦合局部问题的微分方程是渐近求解的近似值。计算速度分量和压力曲线对MFD粘度的各种数值进行数字化和图形化讨论参数（ k ）以及Karmana的无量纲参数的变体（ a ）。此外，我们还计算了边界层，旋转角度和总流量的表达式给出了z轴的向外。
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